Seiko Cal. 4448 - 128

Seiko 4448-128

The Seiko 4448-128 represents an important milestone in Seiko's 1976 lineup. Powered by the 4448 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-0f76a9aab8ad]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Green
Jewels
17j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1976

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